crc32

OpenHashTab is a shell extension for conveniently calculating and checking file hashes from file properties.

Compute and Check Hashes with One Click

A free file checksum calculation software.

Hashing utility for verifying integrity of files

Calculate Hashes to verify the integrity of your files

A freeware cryptographic hash value calculator that allows computing MD5, SHA-1, CRC32 and other popular hash checksums of files.